* */
function do_excerpt( $post, $args = null ) {
$params = wp_parse_args(
$args,
array(
'length' => 255,
'echo' => false,
'strict' => false,
'wrap' => null,
'wrap_id' => null,
'wrap_class' => 'entry-excerpt',
'hellip' => false,
'append' => null,
)
);
$out = $wrap = '';
if ( $params['wrap'] ) {
$wrap_id = $params['wrap_id'] ? ' id="' . esc_attr( $params['wrap_id'] ) . '"' : null;
$wrap_class = $params['wrap_class'] ? ' class="' . esc_attr( $params['wrap_class'] ) . '"' : null;
$wrap = '<' . $params['wrap'] . $wrap_id . $wrap_class . '>';
}
if ( is_string( $post ) ) {
$excerpt = strip_shortcodes( $post );
$excerpt = strip_tags( $excerpt );
if ( strlen( $excerpt ) > $params['length'] ) {
$excerpt = smart_substr( $excerpt, $params['length'] );
if ( $params['hellip'] ) {
$excerpt .= ' ' . $params['hellip'];
}
}
if ( $params['append'] ) {
$excerpt .= ' ' . $params['append'];
}
$out .= apply_filters( 'the_excerpt', $excerpt );
} elseif ( is_object( $post ) ) {
if ( isset( $post->post_excerpt ) && ! empty( $post->post_excerpt ) ) {
if ( $params['strict'] && strlen( $post->post_excerpt ) > $params['length'] ) {
$buff = smart_substr( $post->post_excerpt, $params['length'] );
if ( $params['hellip'] ) {
$buff .= ' ' . $params['hellip'];
}
if ( $params['append'] ) {
$buff .= ' ' . $params['append'];
}
$out .= apply_filters( 'the_excerpt', $buff );
} else {
if ( $params['append'] ) {
$post->post_excerpt .= ' ' . $params['append'];
}
$out .= apply_filters( 'the_excerpt', $post->post_excerpt );
}
} elseif ( isset( $post->post_content ) && ! empty( $post->post_content ) ) {
return do_excerpt( $post->post_content, $params );
}
}
if ( ! $out ) {
return false;
}
if ( $out ) {
if ( $params['wrap'] ) {
$wrap .= $out . '';
$out = $wrap;
}
if ( $params['echo'] ) {
echo $out;
} else {
return $out;
}
}
}
/**
* Smarter text cutting
*
* @param string $str : Content to cut.
* @param string $char : Characters number to show.
* @param boolean $hellip : whether to show or not the hellip.
* @return string Formated text.
* @author Basilio Cáceres
*/
function smart_substr( $str, $char, $hellip = true ) {
if ( strlen( $str ) > $char ) {
$out = substr( strip_tags( $str ), 0, $char );
$out = explode( ' ', $out );
array_pop( $out );
$out = implode( ' ', $out );
if ( $hellip ) {
$out .= ' […]';
}
} else {
$out = $str;
}
return $out;
}
/**
* Helper Class to deal with videos from Youtube & Vimeo
*
* @author @hugosolar
*/
class Videos {
/**
* Extract and return video id from youtbe & vimeo videos
*
* @param string $url : Video url ( whether youtube or vimeo ).
* @param string $width : Video embed width (100% by default).
* @param int $height : Video embed height (450px by default).
* @return string formated embed layout.
*/
public static function get_video_embed( $url, $width = '100%', $height = 450 ) {
if ( strstr( $url, 'youtube' ) ) {
$parse_url = parse_url( $url );
$output = array();
parse_str( $parse_url['query'], $output );
$id = $output['v'];
$iframe = '';
return $iframe;
}
if ( strstr( $url, 'youtu.be' ) ) {
$parse_url = parse_url( $url );
$id = array_pop( explode( '/', $parse_url ) );
$iframe = '';
return $iframe;
}
if ( strstr( $url, 'vimeo' ) ) {
if ( ! empty( $url ) ) {
$id = array_pop( explode( '/', $url ) );
$iframe = '';
return $iframe;
}
}
return false;
}
/**
* Returns a contextual class to add in layout whether the video is youtbe or vimeo
*
* @param string $url : the url of the video.
* @return string class name
*/
public static function get_video_class( $url ) {
if ( strstr( $url, 'youtube' ) ) {
return 'youtube-video';
}
if ( strstr( $url, 'vimeo' ) ) {
return 'vimeo-video';
}
}
/**
* Extract and return video id from youtbe & vimeo videos
*
* @param string $url : Video url.
* @param string $size : thumbnail sizes `small` or `full`.
* @return string video thumb url
*/
public static function get_video_thumb( $url, $size = 'full' ) {
if ( strstr( $url, 'youtube' ) ) {
$parse_url = parse_url( $url );
parse_str( $parse_url['query'] );
$id = $v;
$def_size = ( $size == 'small' ) ? 1 : 0;
$thumb = 'https://img.youtube.com/vi/' . $id . '/' . $def_size . '.jpg';
return $thumb;
}
if ( strstr( $url, 'youtu.be' ) ) {
$parse_url = parse_url( $url );
$id = array_pop( explode( '/', $parse_url ) );
$def_size = ( $size == 'small' ) ? 1 : 0;
$thumb = 'https://img.youtube.com/vi/' . $id . '/' . $def_size . '.jpg';
return $thumb;
}
if ( strstr( $url, 'vimeo' ) ) {
$thumb = '';
if ( ! empty( $url ) ) {
if ( false === ( $thumb = get_transient( 'vimeo_' . $id ) ) ) {
$id = array_pop( explode( '/', $url ) );
$request = new WP_Http();
$result = $request->request( 'https://vimeo.com/api/v2/video/' . $id . '.php', $args );
if ( ! is_wp_error( $result ) ) {
$body = maybe_unserialize( $result['body'] );
if ( $size == 'medium' ) {
$thumb = $body[0]['thumbnail_medium'];
} else {
$thumb = $body[0]['thumbnail_large'];
}
set_transient( 'vimeo_' . $id, $thumb, 60 * 60 * 24 );
}
}
return $thumb;
}
}
return false;
}
}